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2013-01-10Update copyright years in gcc/Richard Sandiford1-3/+1
From-SVN: r195098
2010-05-21real: Do not include gmp.h, mpfr.h, and mpc.h.Steven Bosscher1-22/+2
gcc/ChangeLog: * real: Do not include gmp.h, mpfr.h, and mpc.h. (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove. (real_value_negate, real_value_abs): New prototypes. (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here... * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here, new include file for interface between MPFR and REAL_VALUE_TYPE. * real.c: Include realmpfr.h. (real_arithmetic2): Remove legacy function. (real_value_negate): New. (real_value_abs): New. (mfpr_from_real, real_from_mpfr): Move from here... * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file. * builtins.c: Include realmpfr.h. * fold-const.c: Include realmpfr.h. (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE. (fold_negate_const): Likewise. (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS. * toplev.c: Include realmpfr.h. * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs and real_value_negate. * fixed-value.c (check_real_for_fixed_mode): Likewise. * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise. (vfp3_const_double_index): Likewise. (arm_print_operand): Likewise. * Makefile.in: Update dependencies. fortran/ChangeLog: * trans-const.c: Include realmpfr.h. * Make-lang.in: Update dependencies. From-SVN: r159679
2010-01-05re PR bootstrap/41771 (Bootstrap with Sun Studio 12.1 fails)Rainer Orth1-1/+27
gcc: PR bootstrap/41771 * flags.h: Don't include real.h. (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): Move ... * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here. * dominance.c: Update copyright. * gimple.c (walk_gimple_op): Remove inline. * tree-ssa-reassoc.c: Include real.h. * Makefile.in (FLAGS_H): Remove $(REAL_H). (tree-ssa-reassoc.o): Depend on $(REAL_H). include: PR bootstrap/41771 * ansidecl.h: Fix inline test for C99 and Sun Studio cc. From-SVN: r155654
2009-12-07re PR other/40302 (GCC must hard-require MPC before release)Kaveh R. Ghazi1-10/+0
PR other/40302 * builtins.c: Remove HAVE_mpc* checks throughout. * fold-const.c: Likewise. * real.h: Likewise. * toplev.c: Likewise. From-SVN: r155046
2009-10-14builtins.c (fold_builtin_1): Support complex "arc" functions.Kaveh R. Ghazi1-0/+3
* builtins.c (fold_builtin_1): Support complex "arc" functions. * real.h (HAVE_mpc_arc): Define. testsuite: * gcc.dg/torture/builtin-math-6.c: Test complex "arc" functions. * lib/target-supports.exp (check_effective_target_mpc_arc): New. From-SVN: r152746
2009-09-20re PR middle-end/30789 (complex folding inexact)Kaveh R. Ghazi1-1/+1
PR middle-end/30789 * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter. (do_mpc_ckconv): Accept FORCE_CONVERT parameter. (fold_builtin_2, do_mpc_arg1): Update accordingly. * fold-const.c (const_binop): Likewise. * real.h (do_mpc_arg2): Update prototype. testsuite: * gcc.dg/torture/builtin-math-7.c: Update for testing Annex G cases in static initializers. From-SVN: r151904
2009-08-14re PR middle-end/30789 (complex folding inexact)Kaveh R. Ghazi1-0/+3
PR middle-end/30789 * builtins.c (do_mpc_arg2): Make extern, define for any MPC version. Move declaration... * real.h (do_mpc_arg2): ... here. * fold-const.c (const_binop): Use MPC for complex MULT_EXPR and RDIV_EXPR. testsuite: * gcc.dg/torture/builtin-math-7.c: New. From-SVN: r150760
2009-07-16builtins.c (do_mpc_arg2): New.Kaveh R. Ghazi1-0/+3
* builtins.c (do_mpc_arg2): New. (fold_builtin_2): Fold builtin cpow. * real.h (HAVE_mpc_pow): New. testsuite: * gcc.dg/torture/builtin-math-5.c: Add more cases. * gcc.dg/torture/builtin-math-6.c: Likewise. Depend on effective target "mpc_pow". * lib/target-supports.exp (check_effective_target_mpc_pow): New. From-SVN: r149716
2009-05-15builtins.c (do_mpc_arg1, [...]): New.Kaveh R. Ghazi1-0/+3
* builtins.c (do_mpc_arg1, fold_builtin_ccos): New. (fold_builtin_cexp): Ensure we get a complex REAL_TYPE. Evaluate constant arguments. (fold_builtin_carg): Ensure we get a complex REAL_TYPE. (fold_builtin_1): Likewise, also evaluate constant arguments. Remove superfluous break. (do_mpc_ckconv): New. * real.h: Include mpc.h. * toplev.c (print_version): Output MPC version info if available. From-SVN: r147591
2009-05-15real.c (encode_ieee_half): Define.Sandra Loosemore1-0/+2
2009-05-15 Sandra Loosemore <sandra@codesourcery.com> gcc/ * real.c (encode_ieee_half): Define. (decode_ieee_half): Define. (ieee_half_format): Define. (arm_half_format): Define. * real.h (ieee_half_format): Declare. (arm_half_format): Declare. From-SVN: r147579
2009-04-22hashtab.h: Update GTY annotations to new syntaxTaras Glek1-2/+1
2009-04-21 Taras Glek <tglek@mozilla.com> * include/hashtab.h: Update GTY annotations to new syntax * include/splay-tree.h: Likewise gcc/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * alias.c: Update GTY annotations to new syntax * basic-block.h: Likewise * bitmap.h: Likewise * c-common.h: Likewise * c-decl.c: Likewise * c-parser.c: Likewise * c-pragma.c: Likewise * c-tree.h: Likewise * cfgloop.h: Likewise * cgraph.h: Likewise * config/alpha/alpha.c: Likewise * config/arm/arm.h: Likewise * config/avr/avr.h: Likewise * config/bfin/bfin.c: Likewise * config/cris/cris.c: Likewise * config/darwin.c: Likewise * config/frv/frv.c: Likewise * config/i386/i386.c: Likewise * config/i386/i386.h: Likewise * config/i386/winnt.c: Likewise * config/ia64/ia64.h: Likewise * config/iq2000/iq2000.c: Likewise * config/mips/mips.c: Likewise * config/mmix/mmix.h: Likewise * config/pa/pa.c: Likewise * config/pa/pa.h: Likewise * config/rs6000/rs6000.c: Likewise * config/s390/s390.c: Likewise * config/sparc/sparc.c: Likewise * config/xtensa/xtensa.c: Likewise * cselib.h: Likewise * dbxout.c: Likewise * dwarf2out.c: Likewise * except.c: Likewise * except.h: Likewise * fixed-value.h: Likewise * function.c: Likewise * function.h: Likewise * gimple.h: Likewise * integrate.c: Likewise * optabs.c: Likewise * output.h: Likewise * real.h: Likewise * rtl.h: Likewise * stringpool.c: Likewise * tree-data-ref.c: Likewise * tree-flow.h: Likewise * tree-scalar-evolution.c: Likewise * tree-ssa-address.c: Likewise * tree-ssa-alias.h: Likewise * tree-ssa-operands.h: Likewise * tree.c: Likewise * tree.h: Likewise * varasm.c: Likewise * varray.h: Likewise * vec.h: Likewise * coretypes.h: Do not define GTY macro if it is already defined * doc/gty.texi: Update GTY documentation to new syntax * gengtype-lex.l: Enforce attribute-like syntax for GTY annotations on structs * gengtype-parse.c: Likewise gcc/ada/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * gcc-interface/ada-tree.h: Update GTY annotations to new syntax * gcc-interface/trans.c: Likewise * gcc-interface/utils.c: Likewise gcc/cp/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * cp-tree.h: Update GTY annotations to new syntax * decl.c: Likewise * mangle.c: Likewise * name-lookup.c: Likewise * name-lookup.h: Likewise * parser.c: Likewise * pt.c: Likewise * rtti.c: Likewise * semantics.c: Likewise * typeck2.c: Likewise gcc/fortran/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * f95-lang.c: Update GTY annotations to new syntax * trans-intrinsic.c: Likewise * trans-io.c: Likewise * trans.h: Likewise gcc/java/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * builtins.c: Update GTY annotations to new syntax * decl.c: Likewise * java-tree.h: Likewise * jcf.h: Likewise * lang.c: Likewise gcc/objc/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * objc-act.c: Update GTY annotations to new syntax * objc-act.h: Likewise libcpp/ChangeLog 2009-04-21 Taras Glek <tglek@mozilla.com> * include/cpp-id-data.h: Update GTY annotations to new syntax * include/cpplib.h: Likewise * include/line-map.h: Likewise * include/symtab.h: Likewise From-SVN: r146607
2008-10-29re PR middle-end/36578 (cast to long double not taken into account when ↵Joseph Myers1-0/+5
result stored to a double) PR middle-end/36578 * convert.c (convert_to_real): Do not optimize conversions of binary arithmetic operations between binary and decimal floating-point types. Consider mode of target type in determining decimal type for arithmetic. Unless flag_unsafe_math_optimizations, do not optimize binary conversions where this may change rounding behavior. * real.c (real_can_shorten_arithmetic): New. * real.h (real_can_shorten_arithmetic): Declare. testsuite: * gcc.dg/dfp/convert-bfp-13.c, gcc.dg/dfp/convert-bfp-14.c, gcc.dg/dfp/convert-dfp-fold-2.c, gcc.target/i386/pr36578-1.c, gcc.target/i386/pr36578-2.c: New tests. From-SVN: r141432
2008-08-18real.h (dconst_e, [...]): Declare.Manuel López-Ibáñez1-9/+11
2008-08-18 Manuel Lopez-Ibanez <manu@gcc.gnu.org> * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr, dconst_third_ptr, dconst_sqrt2_ptr): Declare. (enum real_value_const): Delete. (get_real_const): Delete. * real.c (get_real_const): Delete. (dconst_e_ptr): Define. (dconst_third_ptr): Define. (dconst_sqrt2_ptr): Define. * builtins.c: Update all callers. From-SVN: r139202
2008-08-12real.h (struct real_format): New member has_sign_dependent_rounding.Ulrich Weigand1-4/+22
* real.h (struct real_format): New member has_sign_dependent_rounding. * real.c (ieee_single_format, mips_single_format, motorola_single_format, spu_single_format, ieee_double_format, mips_double_format, motorola_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format, ibm_extended_format, mips_extended_format, ieee_quad_format, mips_quad_format, vax_f_format, vax_d_format, vax_g_format): Initialize it. * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise. * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove. * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove. (ROUND_TOWARDS_ZERO): Likewise. * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion. (FLOAT_MODE_FORMAT): New macro. (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ... (MODE_COMPOSITE_P): ... this new macro. (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros. * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode. * flags.h: Include "real.h". * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of REAL_MODE_FORMAT_COMPOSITE_P. * simplify-rtx.c (simplify_const_binary_operation): Likewise. * doc/tm.texi (Storage Layout): Remove documentation of MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING. Update documentation of ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify they only apply to libgcc2.a. From-SVN: r139016
2008-08-12real.h (struct real_format): New member round_towards_zero.Ulrich Weigand1-0/+8
ChangeLog: * real.h (struct real_format): New member round_towards_zero. * real.c (round_for_format): Respect fmt->round_towards_zero. (ieee_single_format, mips_single_format, motorola_single_format, spu_single_format, ieee_double_format, mips_double_format, motorola_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format, ibm_extended_format, mips_extended_format, ieee_quad_format, mips_quad_format, vax_f_format, vax_d_format, vax_g_format): Initialize it. * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise. * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of real_format to choose rounding mode when calling MPFR functions. (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise. (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise. * real.h (real_to_decimal_for_mode): Add prototype. * real.c (real_to_decimal_for_mode): Renames old real_to_decimal. Respect target rounding mode when generating decimal representation. (real_to_decimal): New stub for backwards compatibility. * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use real_to_decimal_for_mode instead of real_to_decimal. * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New. testsuite/ChangeLog: * gcc.c-torture/execute/20031003-1.c (main): Update test to accommodate SPU single-precision rounding mode. * gcc.c-torture/execute/conversion.c (test_float_to_integer, test_float_to_longlong_integer): Likewise. * gcc.c-torture/execute/ieee/rbug.c (main): Likewise. * gcc.dg/hex-round-1.c: Skip test on SPU. * gcc.dg/hex-round-2.c: Likewise. Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com> From-SVN: r139014
2008-08-12real.c (spu_single_format): New variable.Ulrich Weigand1-0/+1
ChangeLog: * real.c (spu_single_format): New variable. * real.h (spu_single_format): Declare. * config/spu/spu.c (spu_override_options): Install SFmode format. (spu_split_immediate): Use integer mode to operate on pieces of floating-point values in all cases. * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New. ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND. ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE. testsuite/ChangeLog: * gcc.c-torture/execute/ieee/inf-2.c (testf): Skip on the SPU. Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com> From-SVN: r139013
2008-06-19dfp.h, [...]: Remove references to IEEE 754R.Ben Elliston1-1/+1
* dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h, real.c: Remove references to IEEE 754R. * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008. * doc/libgcc.texi (Decimal float library routines): Likewise. From-SVN: r136933
2008-03-26builtins.c (expand_builtin_pow, [...]): Remove uses of dconst3, dconstsqrt2, ↵Kaveh R. Ghazi1-7/+12
dconstthird, dconste and/or dconst10. * builtins.c (expand_builtin_pow, fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm, fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3, dconstsqrt2, dconstthird, dconste and/or dconst10. * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise. * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird, dconstsqrt2, dconste): Delete. (init_emit_once): Likewise. Simplify initializing dconstm1. Constify variable. * real.c (get_real_const): New. * real.h (dconst3, dconst10, dconstm2, dconstthird, dconstsqrt2, dconste): Delete. (real_value_const, get_real_const): New. From-SVN: r133607
2008-02-08re PR bootstrap/35051 (Build machine requires GMP and MPFR for building ↵Richard Sandiford1-0/+4
cross-host gccs) gcc/ PR bootstrap/35051 * double-int.h: Don't include gmp.h for GENERATOR_FILEs. (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs. * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs. (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs. * tree.h (get_type_static_bounds): Likewise. From-SVN: r132188
2008-01-25MAINTAINERS (c4x port): Remove.Joseph Myers1-3/+1
* MAINTAINERS (c4x port): Remove. contrib: * paranoia.cc (main): Remove handling of c4x_single and c4x_extended formats. gcc: * config/c4x: Remove directory. * config.gcc (crx-*, mt-*): Mark obsolete. (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*, h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*, sh-*-rtemscoff*): Remove cases. * defaults.h (C4X_FLOAT_FORMAT): Remove. * real.c (encode_c4x_single, decode_c4x_single, encode_c4x_extended, decode_c4x_extended, c4x_single_format, c4x_extended_format): Remove. * real.h (c4x_single_format, c4x_extended_format): Remove. * doc/extend.texi (interrupt, naked): Remove mention of attributes on C4x. (Pragmas): Remove comment about c4x pragmas. * doc/install.texi (c4x): Remove target-specific instructions. * doc/invoke.texi (TMS320C3x/C4x Options): Remove. * doc/md.texi (Machine Constraints): Remove C4x documentation. * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not refer to C4x source files as examples. (C4X_FLOAT_FORMAT): Remove documentation. gcc/testsuite: * gcc.dg/builtin-inf-1.c, gcc.dg/compare6.c, gcc.dg/sibcall-3.c, gcc.dg/sibcall-4.c, gcc.dg/torture/builtin-attr-1.c: Don't handle c4x-*-* targets. libgcc: * config.host (tic4x-*-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*, h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*, sh-*-rtemscoff*): Remove cases. From-SVN: r131835
2007-09-07Reapply reverted change:Janis Johnson1-1/+1
gcc/ada/ Reapply reverted change: 2007-09-06 Eric Botcazou <ebotcazou@adacore.com> * trans.c (convert_with_check): Update call to real_2expN. gcc/ config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN. config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto. Reapply reverted changes: 2007-09-06 Jan Hubicka <jh@suse.cz> * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call of real_2expN. 2007-09-06 Richard Sandiford <richard@codesourcery.com> * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. 2007-09-05 Janis Johnson <janis187@us.ibm.com> * optabs.c (expand_float): Convert unsigned integer as signed only if it provides sufficient accuracy; add mode argument to real_2expN. (expand_fix): Fix comment typos; extend binary float into mode wider than destination for converion to unsigned integer; add mode argument to real_2expN. * real.c (real_2expN): Add mode argument to special-case decimal float values. * real.h (real_2expN): Ditto. * fixed-value.c (check_real_for_fixed_mode): Add mode argument to real_2expN. (fixed_from_string): Ditto. (fixed_to_decimal): Ditto. (fixed_convert_from_real): Ditto. (real_convert_from_fixed): Ditto. * config/rs6000/rs6000.md (FP): Include DD and TD modes. * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. From-SVN: r128247
2007-09-06Revert:Janis Johnson1-1/+1
2007-09-06 Jan Hubicka <jh@suse.cz> * i386.c (ix86_expand_lround, ix86_expand_round): Update call of real_2expN. 2007-09-06 Richard Sandiford <richard@codesourcery.com> * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. 2007-09-05 Janis Johnson <janis187@us.ibm.com> * optabs.c (expand_float): Convert unsigned integer as signed only if it provides sufficient accuracy; add mode argument to real_2expN. (expand_fix): Fix comment typos; extend binary float into mode wider than destination for converion to unsigned integer; add mode argument to real_2expN. * real.c (real_2expN): Add mode argument to special-case decimal float values. * real.h (real_2expN): Ditto. * fixed-value.c (check_real_for_fixed_mode): Add mode argument to real_2expN. (fixed_from_string): Ditto. (fixed_to_decimal): Ditto. (fixed_convert_from_real): Ditto. (real_convert_from_fixed): Ditto. * config/rs6000/rs6000.md (FP): Include DD and TD modes. * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. From-SVN: r128193
2007-09-05optabs.c (expand_float): Convert unsigned integer as signed only if it ↵Janis Johnson1-1/+1
provides sufficient accuracy... gcc/ * optabs.c (expand_float): Convert unsigned integer as signed only if it provides sufficient accuracy; add mode argument to real_2expN. (expand_fix): Fix comment typos; extend binary float into mode wider than destination for converion to unsigned integer; add mode argument to real_2expN. * real.c (real_2expN): Add mode argument to special-case decimal float values. * real.h (real_2expN): Ditto. * fixed-value.c (check_real_for_fixed_mode): Add mode argument to real_2expN. (fixed_from_string): Ditto. (fixed_to_decimal): Ditto. (fixed_convert_from_real): Ditto. (real_convert_from_fixed): Ditto. * config/rs6000/rs6000.md (FP): Include DD and TD modes. * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. gcc/testsuite/ * gcc.target/powerpc/dfp-dd.c: New test. * gcc.target/powerpc/dfp-td.c: New test. From-SVN: r128156
2007-07-26Change copyright header to refer to version 3 of the GNU General Public ↵Nick Clifton1-4/+3
License and to point readers at the COPYING3 file and the FSF's license web page. From-SVN: r126948
2007-07-25expr.c (handled_component_p): Constify.Kaveh R. Ghazi1-1/+1
* expr.c (handled_component_p): Constify. * fold-const.c (fit_double_type): Likewise. * real.h (real_value_from_int_cst): Likewise. * tree-flow-inline.h (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars, gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var, gimple_nonlocal_all, gimple_var_anns, end_htab_p, end_referenced_vars_p, var_ann, function_ann, may_aliases, end_readonly_imm_use_p, has_zero_uses, has_single_use, single_imm_use, num_imm_uses, is_exec_stmt, is_label_stmt, is_global_var, phi_ssa_name_p, factoring_name_p, is_call_clobbered, tree_common_ann, op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p, unmodifiable_var_p, array_ref_contains_indirect_ref, ref_contains_array_ref, lookup_subvars_for_var, var_can_have_subvars, overlap_subvar, gimple_ssa_operands, gimple_mem_ref_stats): Likewise. * tree-flow.h (tree_common_ann, var_ann, function_ann, may_aliases, is_exec_stmt, is_label_stmt, ref_contains_array_ref, array_ref_contains_indirect_ref, var_can_have_subvars, overlap_subvar, is_call_clobbered, unmodifiable_var_p): Likewise. * tree-gimple.c (is_gimple_min_invariant): Likewise. * tree-gimple.h (is_gimple_min_invariant): Likewise. * tree.c (type_hash_list, attribute_hash_list, tree_size, cst_and_fits_in_hwi, real_value_from_int_cst, build_real_from_int_cst, integer_zerop, integer_onep, integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2, tree_floor_log2, real_zerop, real_onep, real_twop, real_minus_onep, really_constant_p, purpose_member, chain_member, list_length, fields_length, int_size_in_bytes, bit_position, int_bit_position, byte_position, int_byte_position, expr_align, array_type_nelts, tree_node_structure, type_contains_placeholder_1, iterative_hash_pointer, is_attribute_with_length_p, is_attribute_p, check_qualified_type, tree_map_base_eq, type_hash_list, type_hash_eq, attribute_hash_list, type_num_arguments, tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare, host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn, simple_cst_list_equal, compare_tree_int, iterative_hash_expr, int_fits_type_p, get_containing_scope, decl_function_context, decl_type_context, omp_clause_operand_check_failed, initializer_zerop, int_cst_value, num_ending_zeros): Likewise. * tree.h (omp_clause_operand_check_failed, tree_size, build_real_from_int_cst, array_type_nelts, purpose_member, tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare, host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn, is_attribute_p, check_qualified_type, expr_align, int_size_in_bytes, bit_position, int_bit_position, byte_position, int_byte_position, list_length, fields_length, initializer_zerop, integer_zerop, integer_onep, integer_all_onesp, integer_pow2p, integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros, tree_node_structure, handled_component_p, get_containing_scope, decl_function_context, decl_type_context, real_zerop, type_num_arguments, fit_double_type, really_constant_p, int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr, compare_tree_int, chain_member, simple_cst_list_equal, real_onep, real_twop, real_minus_onep, int_cst_value): Likewise. From-SVN: r126923
2007-07-18re PR target/30652 (SSE expansion is missing for isinf() and other ↵Kaveh R. Ghazi1-0/+4
fpclassify functions) PR target/30652 PR middle-end/20558 * builtins.c (expand_builtin_interclass_mathfn): Provide a generic fallback for isinf. * c-cppbuiltin.c (builtin_define_float_constants): Move FP max calculation code ... * real.c (get_max_float): ... to here. * real.h (get_max_float): New. testsuite: * gcc.dg/pr28796-1.c: Add more cases. * gcc.dg/pr28796-2.c: Likewise. From-SVN: r126724
2007-06-12real.c (real_isfinite): New.Kaveh R. Ghazi1-0/+3
* real.c (real_isfinite): New. (real_sqrt): Use it. * real.h (real_isfinite): New. * builtins.c: Use it. From-SVN: r125654
2007-06-03m68k.c (override_options): Don't override REAL_MODE_FORMAT.Andreas Schwab1-3/+3
* config/m68k/m68k.c (override_options): Don't override REAL_MODE_FORMAT. * config/m68k/m68k-modes.def (SF, DF): Define to use motorola_single_format and motorola_double_format, resp. * real.c (motorola_single_format): Renamed from coldfire_single_format. (motorola_double_format): Renamed from coldfire_double_format. (encode_ieee_extended): Generate a proper canonical NaN image respecting canonical_nan_lsbs_set. (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to true. * real.h: Adjust declarations. From-SVN: r125295
2007-05-21defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.Andreas Krebbel1-5/+0
2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com> * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed. * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed. * real.c (encode_i370_single, decode_i370_single, encode_i370_double, decode_i370_double): Functions removed. (i370_single_format, i370_double_format): Initializations removed. (real_maxval, round_for_format, exact_real_truncate, significand_size): Consider the log2_b field to always be one. (ieee_single_format, mips_single_format, coldfire_single_format, ieee_double_format, mips_double_format, coldfire_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format, ibm_extended_format, mips_extended_format, ieee_quad_format, mips_quad_format, vax_f_format, vax_d_format, vax_g_format, decimal_single_format, decimal_double_format, decimal_quad_format, c4x_single_format, c4x_extended_format, real_internal_format): Remove initialization of log2_b. * real.h (i370_single_format, i370_double_format): Declarations removed. * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b field to always be one. From-SVN: r124901
2007-04-24real.c (mpfr_from_real): Handle Inf and NaN, and allow the rounding mode to ↵Brooks Moses1-2/+2
be specified by the caller. * real.c (mpfr_from_real): Handle Inf and NaN, and allow the rounding mode to be specified by the caller. (real_to_mpfr) Likewise. * real.h: Update mpfr_from_real, mpfr_to_real prototypes to include new arguments. * builtins.c: Update mpfr_from_real, mpfr_to_real calls. From-SVN: r124139
2007-03-22re PR other/23572 (No warning for assigning a value to a 'float' variable ↵Manuel López-Ibáñez1-2/+3
that overflows with option -Wextra) 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> PR other/23572 * c-lex.c (interpret_float): On overflow, emit pedantic warning if infinities not supported, otherwise emit warning if -Woverflow. On underflow, emit warning if -Woverflow. * real.c (real_from_string): Return -1 if underflow, +1 if overflow and 0 otherwise. * real.h (real_from_string): Update declaration testsuite/ * gcc.dg/float-range-4.c: New. * gcc.dg/float-range-1.c: Update. Test for a warning. * gcc.dg/float-range-3.c: New. * gcc.dg/float-range-5.c: New. From-SVN: r123137
2007-02-03emit-rtl.c (dconstpi): Delete.Kaveh R. Ghazi1-1/+1
* emit-rtl.c (dconstpi): Delete. (dconstsqrt2): New. (init_emit_once): Delete dconstpi and init dconstsqrt2. * real.h (dconstpi): Delete. (dconstsqrt2): New. * builtins.c (fold_builtin_cabs): Use dconstsqrt2. (fold_builtin_hypot): Likewise. From-SVN: r121550
2007-01-18real.h (real_format): Add a canonical_nan_lsbs_set field.Richard Sandiford1-0/+3
gcc/ * real.h (real_format): Add a canonical_nan_lsbs_set field. (coldfire_single_format): Declare. (coldfire_double_format): Likewise. * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead of qnan_msb_set to determine the lower bits of a canonical NaN significand. (encode_ieee_double): Likewise. (encode_ieee_quad): Likewise. (ieee_single_format): Initialize canonical_nan_lsbs_set. (mips_single_format): Likewise. (ieee_double_format): Likewise. (mips_double_format): Likewise. (ieee_extended_motorola_format): Likewise. (ieee_extended_intel_96_format): Likewise. (ieee_extended_intel_128_format): Likewise. (ieee_extended_intel_96_round_53_format): Likewise. (ibm_extended_format): Likewise. (mips_extended_format): Likewise. (ieee_quad_format): Likewise. (mips_quad_format): Likewise. (vax_f_format): Likewise. (vax_d_format): Likewise. (vax_g_format): Likewise. (i370_single_format): Likewise. (i370_double_format): Likewise. (decimal_single_format): Likewise. (decimal_double_format): Likewise. (decimal_quad_format): Likewise. (c4x_single_format): Likewise. (c4x_extended_format): Likewise. (real_internal_format): Likewise. (coldfire_single_format): New real_format. (coldfire_double_format): Likewise. * config/pdp11/pdp11.c (pdp11_f_format): Initialize canonical_nan_lsbs_set. (pdp11_d_format): Likewise. * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE if TARGET_COLDFIRE_CPU. From-SVN: r120922
2006-11-23real.h (real_isinteger): Declare.Manuel López-Ibáñez1-0/+3
2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org> * real.h (real_isinteger): Declare. * real.c (real_isinteger): Define. * builtins.c (integer_valued_real_p): Use it. From-SVN: r119130
2006-10-23re PR middle-end/29335 (transcendental functions with constant arguments ↵Kaveh R. Ghazi1-0/+8
should be resolved at compile-time) PR middle-end/29335 * builtins.c (fold_builtin_sin, fold_builtin_cos, fold_builtin_tan): Fold all constant arguments. Take a "type" argument as necessary. (do_mpfr_arg1): New. * real.c, real.h (real_from_mpfr, mpfr_from_real): New. From-SVN: r117983
2005-12-02dfp.h, dfp.c: New files.Jon Grimm1-5/+32
2005-12-02 Jon Grimm <jgrimm2@us.ibm.com> Janis Johnson <janis187@us.ibm.com> David Edelsohn <dje@watson.ibm.com> Ben Elliston <bje@au.ibm.com> * dfp.h, dfp.c: New files. * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables. (DECNUM_H): Likewise. (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER). (INCLUDES): Append $(DECNUMINC). (OBJS-common): Add dfp.o. (dfp.o): New rule. * real.h (EXP_BITS): Pinch one bit to .. (struct real_value): Add decimal field. (real_format): Change table size, update documentation. (REAL_MODE_FORMAT): Update for to handle float, decimal float. (real_from_string3): Declare. (decimal_single_format): Declare. (decimal_double_format): Declare. (decimal_quad_format): Declare. (REAL_VALUE_TO_TARGET_DECIMAL32): New. (REAL_VALUE_TO_TARGET_DECIMAL64): New. (REAL_VALUE_TO_TARGET_DECIMAL128): New. * real.c: Include dfp.h. (normalize): Early return for decimal floats. (do_add): Zero decimal field. (do_compare): Call do_decimal_compare for decimal floats. (do_fix_trunc): Likewise, call decimal_do_fix_trunc. (real_arithmetic): Call decimal_real_arithmetic for decimal floating point operands. (real_identical): If a and b are of differing radix, return false. (real_to_integer): Call decimal_real_to_integer if the value is a decimal float. (real_to_integer2): Likewise, call decimal_real_to_integer2. (real_to_decimal): Likewise, call decimal_real_to_decimal. (real_to_hexadecimal): Place "N/A" in the return string for decimal float. (real_from_string3): New variant, given a mode. (real_maxval): Use decimal_real_maxval for decimal floats. (round_for_format): Use decimal_round_for_format for decimals. (real_convert): Use decimal_real_convert where appropriate. (significand_size): Handle base 10. (encode_decimal_single, decode_decimal_single, encode_decimal_double, decode_decimal_double, encode_decimal_quad, decode_decimal_quad): New functions. (decimal_single_format): New. (decimal_double_format): New. (decimal_quad_format): New. * machmode.def: Add SD, DD and TD decimal floating point modes. * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P): Include MODE_DECIMAL_FLOAT. (DECIMAL_FLOAT_MODE_P): New. * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class. * genmodes.c (struct mode_data): Add counter field. (struct mode_data): Update comment for format. (blank_mode): Initialise counter field. (new_mode): Increment counter field for each mode defined. (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode using a format. (make_complex_modes): Handle modes containing `D'. (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New. (make_decimal_float_mode): New. (reset_float_format): Handle MODE_DECIMAL_FLOAT. (cmp_modes): Compare counter field if other characteristics similar. (emit_real_format_for_mode): Support formats for decimal floats. * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes. Document MODE_DECIMAL_FLOAT. Co-Authored-By: Ben Elliston <bje@au.ibm.com> Co-Authored-By: David Edelsohn <dje@watson.ibm.com> Co-Authored-By: Janis Johnson <janis187@us.ibm.com> From-SVN: r107861
2005-08-01Makefile.in (RTL_BASE_H): Add real.h.Ian Lance Taylor1-1/+1
* Makefile.in (RTL_BASE_H): Add real.h. * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy instead of memcpy. * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv directly. * rtl.c (rtl_check_failed_code_mode): New. * rtl.h (struct rtx_def): Add u.rv. (XCMWINT, XCNMPRV): New. (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT. (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify. Co-Authored-By: Richard Henderson <rth@redhat.com> From-SVN: r102643
2005-06-25Update FSF address.Kelley Cook1-2/+2
From-SVN: r101317
2005-03-15real.h (struct real_format): Split the signbit field into two two fields, ↵Roger Sayle1-2/+7
signbit_ro and signbit_rw. * real.h (struct real_format): Split the signbit field into two two fields, signbit_ro and signbit_rw. * real.c (ieee_single_format, mips_single_format, ieee_double_format, mips_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format, ieee_extended_intel_128_format, ibm_extended_format, mips_extended_format, ieee_quad_format, mips_quad_format, vax_f_format, vax_d_format, vax_g_format, i370_single_format, i370_double_format, c4x_single_format, c4x_extended_format, real_internal_format): Update initializers for new field. * builtins.c (expand_builtin_signbit): Use signbit_ro field of the real_format structure. * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw field of the real_format structure. From-SVN: r96471
2005-02-03re PR middle-end/19405 (18_support/numeric_limits.cc fails on ppc-darwin ↵Roger Sayle1-0/+6
(long doubles)) PR middle-end/19405 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro. * fold-const.c (const_binop): Avoid constant folding floating point operations in modes that use composite representations. * simplify-rtx.c (simplify_binary_operation): Likewise. From-SVN: r94653
2005-01-22cfganal.c, [...]: Update copyright.Kazu Hirata1-1/+1
* cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c, config/alpha/alpha-protos.h, config/alpha/alpha.h, config/alpha/alpha.md, config/alpha/predicates.md, config/sparc/freebsd.h, config/sparc/netbsd-elf.h, config/sparc/sol2.h: Update copyright. From-SVN: r94064
2005-01-21re PR rtl-optimization/576 (gcc performs invalid optimization with float ↵Roger Sayle1-1/+1
operations when different rounding mode.) PR rtl-optimization/576 * real.c (real_arithmetic): Change return type from void to bool to return an indication that the result may be inexact. * real.h (real_arithmeric): Update prototype. * fold-const.c (const_binop): Don't constant fold floating point expressions when the user specifies -frounding-math and the result may depend upon the run-time rounding mode. (fold_convert_const_real_from_real): Clean-up. (fold_initializer): Ignore flag_rounding_math for initializers. * simplify-rtx.c (simplify_binary_operation): Likewise, don't constant fold FP operations with flag_rounding_math if the result may depend upon the run-time rounding mode. From-SVN: r94020
2004-07-25c-common.c: Rename all identifiers named `class' to `cl'.Bernardo Innocenti1-1/+1
* c-common.c: Rename all identifiers named `class' to `cl'. * c-decl.c: Likewise. * c-common.h: Likewise. * c-parse.in: Likewise. * c-typeck.c: Likewise. * genmodes.c: Likewise. * real.c: Likewise. * real.h: Likewise. * recog.c: Likewise. * recog.h: Likewise. * regrename.c: Likewise. * tree.h: Likewise. From-SVN: r85153
2004-06-07real.c (real_copysign): New function to implement libm's copysign.Roger Sayle1-0/+3
* real.c (real_copysign): New function to implement libm's copysign. * real.h (real_copysign): Prototype here. * fold-const.c (tree_expr_nonnegative_p): The result of sqrt, sqrtf and sqrtl can be negative, as sqrt(-0.0) = -0.0. Correct whitespace. * builtins.c (fold_builtin_isascii, fold_builtin_toascii, fold_builtin_isdigit): Add function prototypes. (fold_builtin_copysign): New function to fold copysign, copysignf and copysignl. Optimize copysign(x,x) as x. Evaluate copysign of constant arguments at compile-time using real_copysign. Fold copysign(X,Y) as fabs(X) if Y is always non-negative. (fold_builtin_1): Correct minor whitespace/style issues. Call fold_builtin_copysign for BUILT_IN_COPYSIGN{,F,L}. * gcc.dg/builtins-41.c: New test case. * gcc.dg/builtins-42.c: New test case. From-SVN: r82721
2004-03-22real.h (struct real_value): Use the same type for all bitfields.Alexandre Oliva1-2/+11
* real.h (struct real_value): Use the same type for all bitfields. Rename exp to uexp. (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp. Adjust all uses of exp... * builtins.c: ... here, ... * emit-rtl.c: ... here, and ... * real.c: ... and here. From-SVN: r79802
2004-01-23real.c (real_floor, real_ceil): Tweak to allow input and output arguments to ↵Roger Sayle1-1/+3
overlap. * real.c (real_floor, real_ceil): Tweak to allow input and output arguments to overlap. (real_round): New function to implement round(3m) semantics. * real.h (real_round): Prototype here. * builtins.c (fold_builtin_round): New function to constant fold round, roundf and roundl. (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}. * gcc.dg/builtins-29.c: New test case. From-SVN: r76428
2003-10-10genmodes.c, [...]: New files.Zack Weinberg1-2/+3
* genmodes.c, mode-classes.def: New files. * machmode.def: Rewritten to genmodes.c interface. * Makefile.in (extra_modes_file): New substitution variable. (MACHMODE_H): No longer includes machmode.def or @extra_modes_file@; instead, mode-classes.def and insn-modes.h. (BUILD_RTL): Add $(BUILD_PREFIX)insn-modes.o. (OBJS-common): Add insn-modes.o. (STAGESTUFF): Add insn-modes.c, insn-modes.h, s-modes, and genmodes$(build_exeext). (insn-modes.o, insn-modes.c, insn-modes.h, s-modes, genmodes.o, genmodes$(build_exeext), $(BUILD_PREFIX_1)insn-modes.o): New targets. (s-genrtl): Don't depend on $(RTL_BASE_H). (gengenrtl.o): Don't depend on coretypes.h, $(GTM_H), real.h, or $(RTL_BASE_H); just rtl.def. * gengenrtl.c: Don't include coretypes.h, tm.h, rtl.h, or real.h. Give fake definition of CONST_DOUBLE_FORMAT and substitute definition of NUM_RTX_CODE. Add casts to avoid warnings. * machmode.h: Include insn-modes.h, not machmode.def. Include mode-classes.def to define enum mode_class. Tweak definitions of GET_MODE_CLASS, GET_MODE_SIZE, GET_MODE_BITSIZE, GET_MODE_MASK, GET_MODE_INNER, GET_MODE_WIDER_MODE, GET_CLASS_NARROWEST_MODE. (inner_mode_array): Renamed mode_inner. (mode_base_align): New. * rtl.c (mode_name, mode_class, mode_bitsize, mode_size, mode_unit_size, mode_wider_mode, mode_mask_array, inner_mode_array, class_narrowest_mode): Delete definitions. * stor-layout.c (get_mode_alignment): Use mode_base_align. * real.h: Use MIN_MODE_FLOAT and MAX_MODE_FLOAT, not QFmode and TFmode, in real_format_for_mode and REAL_MODE_FORMAT. * config/ip2k/ip2k.h, config/iq2000/iq2000.h: No need to define BITS_PER_UNIT. From-SVN: r72313
2003-10-06real.h (REAL_MODE_FORMAT): New macro.Zack Weinberg1-0/+1
* real.h (REAL_MODE_FORMAT): New macro. * c-cppbuiltin.c, optabs.c, real.c, config/alpha/alpha.c * config/c4x/c4x.c, config/i370/i370.c, config/i386/freebsd.h * config/i386/i386.c, config/i960/i960.c, config/ia64/ia64.c * config/m68k/m68k.c, config/mips/mips.c, config/rs6000/rs6000.c * config/vax/vax.c: Use REAL_MODE_FORMAT instead of referring directly to real_format_for_mode array, wherever possible. From-SVN: r72168
2003-09-11builtins.c (builtin_dconsts_init, [...]): Delete.Kaveh R. Ghazi1-0/+2
* builtins.c (builtin_dconsts_init, dconstpi, dconste, init_builtin_dconsts): Delete. * emit-rtl.c (dconstpi, dconste): Define. (init_emit_once): Initialize dconstpi & dconste. * real.h (dconstpi, dconste): Declare. From-SVN: r71320
2003-09-09builtins.c (real_dconstp, [...]): New, split out from fold_builtin.Kaveh R. Ghazi1-1/+4
* builtins.c (real_dconstp, fold_builtin_logarithm, fold_builtin_exponent): New, split out from fold_builtin. Also generalize to add log2, log10, exp2 and exp10/pow10 equivalents. * emit-rtl.c (dconst3, dconst10, dconstthird): New. (init_emit_once): Initialize new dconsts, use ARRAY_SIZE in lieu of hardcoded array size. * fold-const.c (fold): Add cases for exp2, exp10 and pow10. (tree_expr_nonnegative_p): Likewise. * real.h (dconst3, dconst10, dconstthird): New. testsuite: * gcc.dg/torture/builtin-explog-1.c: New testcase. From-SVN: r71252
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